Analysis

  • max time kernel
    80s
  • max time network
    146s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20260513-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20260513-enlocale:en-usos:windows10-2004-x64systemwindows
  • submitted
    27/05/2026, 16:28

General

  • Target
    2026-05-27_e9316a48ca808a6c80c2b7d2b2279545_amadey_cobalt-strike_elex_hijackloader_vidar_wannacry.exe
  • Size 1.0MB
  • Sample260527-tyv2facv3j
  • SHA256 ee4a7a121e5a97d033999168e008c2056f78f25d0143dad31f2ed6c77bee9311
  • MD5 SHA1 SHA512 SSDEEP TLSH

Malware Config

Signatures

  • Custom signature
    Detects executables packed with ASPack 13 IoCs
  • ASPack v2.12-2.42 9 IoCs

    Detects executables packed with ASPack v2.12-2.42

  • Executes dropped EXE 1 IoCs
  • Adds Run key to start application 2 TTPs 2 IoCs
  • Drops autorun.inf file 1 TTPs 2 IoCs

    Malware can abuse Windows Autorun to spread further via attached volumes.

  • Drops file in System32 directory 1 IoCs
  • Drops file in Program Files directory 64 IoCs
  • System Location Discovery: System Language Discovery 1 TTPs 2 IoCs

    Attempt gather information about the system language of a victim in order to infer the geographical location of that host.

  • NTFS ADS 1 IoCs
  • Suspicious use of SetWindowsHookEx 2 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\2026-05-27_e9316a48ca808a6c80c2b7d2b2279545_amadey_cobalt-strike_elex_hijackloader_vidar_wannacry.exe
    "C:\Users\Admin\AppData\Local\Temp\2026-05-27_e9316a48ca808a6c80c2b7d2b2279545_amadey_cobalt-strike_elex_hijackloader_vidar_wannacry.exe"
    1⤵
    • Adds Run key to start application
    • Drops autorun.inf file
    • Drops file in Program Files directory
    • System Location Discovery: System Language Discovery
    • NTFS ADS
    • Suspicious use of SetWindowsHookEx
    PID:3320
  • C:\905c0769f9a06c95a24ddf945\patcher.exe
    C:\905c0769f9a06c95a24ddf945\patcher.exe
    1⤵
    • Executes dropped EXE
    • Adds Run key to start application
    • Drops autorun.inf file
    • Drops file in System32 directory
    • Drops file in Program Files directory
    • System Location Discovery: System Language Discovery
    • Suspicious use of SetWindowsHookEx
    PID:4040

Network

        MITRE ATT&CK Enterprise v16

        Replay Monitor

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        Downloads

        patcher.exe

        • Path C:\905c0769f9a06c95a24ddf945\patcher.exe
        • Size 1.0MB
        • SHA256 ee4a7a121e5a97d033999168e008c2056f78f25d0143dad31f2ed6c77bee9311
        • MD5 SHA1 SHA512 SSDEEP TLSH

        setup.exe$

        • Path C:\Program Files (x86)\Microsoft\EdgeWebView\Application\132.0.2957.140\Installer\setup.exe$
        • Size 1.5MB
        • SHA256 3d78e1fe1ca57c686024f61cf264374a7be822825b0515ad21bf881c305221bb
        • MD5 SHA1 SHA512 SSDEEP TLSH

        7z.exe$

        • Path C:\Program Files\7-Zip\7z.exe$
        • Size 1.6MB
        • SHA256 ced69649608b47cadb3b4b460317f8be29f9cc12e6fbcacd55f6ef63ba8305cf
        • MD5 SHA1 SHA512 SSDEEP TLSH

        notification_helper.exe

        • Path C:\Program Files\Google\Chrome\Application\140.0.7339.81\notification_helper.exe
        • Size 1.2MB
        • SHA256 8b56a23c24fdaa2fcc1975be2235254234bf79db55984eb16149c57f5f5246bb
        • MD5 SHA1 SHA512 SSDEEP TLSH

        extcheck.exe

        • Path C:\Program Files\Java\jdk-1.8\bin\extcheck.exe
        • Size 1.1MB
        • SHA256 d0732e63f9eba450fdc0e0c3e288037b995104b741e01d89f1d0c0bb3f68c856
        • MD5 SHA1 SHA512 SSDEEP TLSH

        idlj.exe

        • Path C:\Program Files\Java\jdk-1.8\bin\idlj.exe
        • Size 1.1MB
        • SHA256 f9a34641d6087553adddeae5fac7d570239be52ba8b1e8fd8989b7447842c766
        • MD5 SHA1 SHA512 SSDEEP TLSH

        java-rmi.exe

        • Path C:\Program Files\Java\jdk-1.8\jre\bin\java-rmi.exe
        • Size 1.1MB
        • SHA256 c9cd01b71d3fcc3cc050f55d6e3727934b71d730aef2b6ec9d19ea893f671f61
        • MD5 SHA1 SHA512 SSDEEP TLSH

        java-rmi.exe$

        • Path C:\Program Files\Java\jdk-1.8\jre\bin\java-rmi.exe$
        • Size 1.1MB
        • SHA256 58c7bb3bde7bc0a2812a5a9798705025d3104a5039c11ff73f2c213116e81030
        • MD5 SHA1 SHA512 SSDEEP TLSH

        helper.exe$

        • Path C:\Program Files\Mozilla Firefox\uninstall\helper.exe$
        • Size 1.1MB
        • SHA256 72b5e0752f6bd6ec70f0bc8ebf6f728a658993fc97fe7d81b33760dd8a4ccbce
        • MD5 SHA1 SHA512 SSDEEP TLSH

        memory/3320-70-0x0000000000400000-0x000000000040F000-memory.dmp

        memory/3320-0-0x0000000000400000-0x000000000040F000-memory.dmp

        memory/4040-71-0x0000000000400000-0x000000000040F000-memory.dmp

        memory/4040-7-0x0000000000400000-0x000000000040F000-memory.dmp